15 items are filed under this topic.
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The volume o a hemisphere |
2018-05-06 |
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From Sambox:
When I have a hemisphere with a volume of 700Pi m^3 what is the radius?
Answered by Penny Nom. |
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Surface area of a hemisphere |
2017-10-28 |
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From Shaina:
If the total surface area of a hemisphere be 36.22/7 cm then its radius will be 3 cm is it true or false
Answered by Penny Nom. |
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A cone inscribed in a hemisphere |
2016-08-07 |
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From anonymous:
A cone is inscribed in a hemisphere. the slant height of the cone is 20cm. When cut along its slant height, the cone forms a sector of a circle.
find the angle of the sector, to the nearest 1 decimal place.
Answered by Penny Nom. |
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The surface area of a hemisphere |
2015-05-05 |
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From Mandy:
How can I show that the total surface are of any solid hemisphere is 75% of the area of the full sphere?
Answered by Penny Nom. |
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Water in a hemispherical bowl |
2012-05-12 |
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From Jimmy:
A bowl of water, being a hemisphere has a radius of 36cm.
Water is filled in the bowl and has depth of 18 cm.
Find the surface area of the water?
Answered by Penny Nom. |
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The surface area of a hemisphere |
2011-05-29 |
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From Brenda:
What is the surface area of a hemisphere with a radius of 2 inches?
Answered by Penny Nom. |
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A cone circumscribed about a given hemisphere |
2010-01-19 |
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From Neven:
The cone of smallest possible volume is circumscribed about a given hemisphere. What is the ratio of its height to the diameter of its base?
(G.F.Simmons, Calculus with Analytic Geometry, CH4 Applications of Derivatives)
Answered by Chris Fisher. |
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Melting ice on a hemisphere |
2008-10-20 |
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From heather:
The top of a silo is the shape of a hemishere of diameter 20 ft. if it is coated uniformly with a layer of ice, and if the thickness is decreasing at a rate of 1/4 in/hr, how fast is the volume of ice changing when the ice is 2 inches thick?
Answered by Penny Nom. |
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A hemisphere and a cylinder |
2008-05-18 |
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From Libby:
A giant scoop, operated by a crane, is in the shape of a hemisphere of radius 24 inches. The scoop is filled with molten steel. The steel is then poured into a cylindrical storage tank with diameter 32 inches. How high will the molten steel rise?
I got the volume of the hemisphere and the volume of the cylinder, but I'm not exactly sure what to do next.
Answered by Penny Nom. |
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A net for a hemisphere |
2008-05-06 |
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From Julie:
how would you draw the net of a hemisphere?
Answered by Walter Whiteley. |
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The height of a hemisphere |
2008-03-25 |
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From Rebekah:
what is the height of a hemisphere with a volume of 60 ft cubed?
Answered by Stephen La Rocque. |
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The surface area of a hemisphere |
2008-01-14 |
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From Nicholas:
the surface area of a hemisphere is 1062 cm2. What is the radius?
Answered by Penny Nom. |
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The volume of a hemisphere |
2007-03-21 |
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From Sarah:
How do you calculate the volume of a hemisphere?
Thanks.
Answered by Penny Nom. |
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The radius of a hemisphere |
2006-11-29 |
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From Emma:
how do you calculate the radius of a hemisphere when you are given the volume?
Answered by Stephen La Rocque. |
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What is the surface area of a cone with a hemisphere on top? |
2006-04-20 |
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From Jordan:
How do you find the surface area of a cone with a hemisphere on top? The only information I have is the radius of the hemisphere, which is 4, and the total height, which is 7.
Answered by Stephen La Rocque. |
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